Entry Test MCQ :: Physics Of Solids

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A uniform steel wire of length 4m and area of cross-section 3x10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2x1011 Nm-2 the energy stored in the wire is

[A].	0.025J	[B].	0.50J
[C].	0.75J	[D].	0.100J

Answer: Option C

Sid said:

mathematical derivation?

RABIA said:

give mathematical explanation plzz???

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